2138677475

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{7777009}}^1$

素因数の和:7777030

約数の個数: 12

約数和(自身を含む): 2893047720

約数和(自身を除く): 754370245

約数列:

[1, 5, 11, 25, 55, 275, 7777009, 38885045, 85547099, 194425225, 427735495, 2138677475]

約数ペア:

[(1, 2138677475), (5, 427735495), (11, 194425225), (25, 85547099), (55, 38885045), (275, 7777009)]